diff --git a/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.graphml b/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.graphml
index 0dd4695236e15f7008914f1271a2dd4ccd90bda3..672ccd1401b6665299ee6a74cb4bc83c299d3507 100755
--- a/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.graphml
+++ b/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.graphml
@@ -420,12 +420,12 @@ min freq<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:M
     <node id="n25">
       <data key="d6">
         <y:ShapeNode>
-          <y:Geometry height="138.0" width="30.0" x="715.0000000000006" y="332.375"/>
+          <y:Geometry height="49.0" width="30.0" x="708.0000000000023" y="331.5"/>
           <y:Fill hasColor="false" transparent="false"/>
           <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
-          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="48.103515625" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="216.09765625" x="-93.048828125" xml:space="preserve" y="36.5732421875">Do we increase little socket frequency 
+          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="48.103515625" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="216.09765625" x="-93.048828125" xml:space="preserve" y="12.986151211503625">Do we increase little socket frequency? 
     Yes: when big socket freq is max
-    No: when big socket frequency is min<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="-0.5" nodeRatioX="0.0" nodeRatioY="-0.23497650588768115" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
+    No: when big socket frequency is min<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.24867394452515912" nodeRatioX="0.0" nodeRatioY="0.5" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
           <y:Shape type="rectangle"/>
         </y:ShapeNode>
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@@ -485,17 +485,6 @@ min freq<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:M
       </data>
     </node>
     <node id="n29">
-      <data key="d6">
-        <y:ShapeNode>
-          <y:Geometry height="138.0" width="30.0" x="708.0000000000023" y="-60.75"/>
-          <y:Fill hasColor="false" transparent="false"/>
-          <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
-          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.701171875" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="82.041015625" x="-18.687174479168903" xml:space="preserve" y="95.3994140625">Parellels plans<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.5" nodeRatioX="0.24444444444436997" nodeRatioY="0.32681584012681164" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
-          <y:Shape type="rectangle"/>
-        </y:ShapeNode>
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         <y:ShapeNode>
           <y:Geometry height="6.0" width="8.0" x="984.0000000000016" y="274.375"/>
@@ -513,10 +502,10 @@ min freq<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:M
         </y:ShapeNode>
       </data>
     </node>
-    <node id="n31">
+    <node id="n30">
       <data key="d6">
         <y:ShapeNode>
-          <y:Geometry height="55.0" width="30.0" x="728.0000000000023" y="456.5"/>
+          <y:Geometry height="55.0" width="30.0" x="728.0000000000023" y="468.25"/>
           <y:Fill hasColor="false" transparent="false"/>
           <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="16" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="82.40625" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#FF0000" verticalTextPosition="bottom" visible="true" width="261.7890625" x="-130.89453125" xml:space="preserve" y="-31.40625">
@@ -527,6 +516,31 @@ BUT THE BEST CONFIGURATION
         </y:ShapeNode>
       </data>
     </node>
+    <node id="n31">
+      <data key="d6">
+        <y:ShapeNode>
+          <y:Geometry height="49.0" width="30.0" x="715.0000000000006" y="405.5"/>
+          <y:Fill hasColor="false" transparent="false"/>
+          <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
+          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="33.40234375" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#008000" verticalTextPosition="bottom" visible="true" width="232.099609375" x="-101.0498046875" xml:space="preserve" y="-1.201171875">It seems like the best configuration is
+      little frequency max, big frequency max<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="-0.4640392936498655" nodeRatioX="0.0" nodeRatioY="-0.5" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
+          <y:Shape type="rectangle"/>
+        </y:ShapeNode>
+      </data>
+    </node>
+    <node id="n32">
+      <data key="d6">
+        <y:ShapeNode>
+          <y:Geometry height="94.0" width="30.0" x="715.0000000000006" y="79.0"/>
+          <y:Fill hasColor="false" transparent="false"/>
+          <y:BorderStyle hasColor="false" raised="false" type="line" width="1.0"/>
+          <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="48.103515625" horizontalTextPosition="center" iconTextGap="4" modelName="custom" textColor="#000000" verticalTextPosition="bottom" visible="true" width="307.474609375" x="-101.4039713541672" xml:space="preserve" y="-31.0517578125">Red and yellow courbs are intersection of 
+ the efficiency function with the tow parallels PLANS
+    y = Min frequency  and y = Max frequency respectively<y:LabelModel><y:SmartNodeLabelModel distance="4.0"/></y:LabelModel><y:ModelParameter><y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.145519509521296" nodeRatioX="1.2444444444444267" nodeRatioY="-0.5" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/></y:ModelParameter></y:NodeLabel>
+          <y:Shape type="rectangle"/>
+        </y:ShapeNode>
+      </data>
+    </node>
     <edge id="e0" source="n0" target="n1">
       <data key="d10">
         <y:PolyLineEdge>
@@ -730,7 +744,7 @@ BUT THE BEST CONFIGURATION
         </y:PolyLineEdge>
       </data>
     </edge>
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+    <edge id="e17" source="n3" target="n29">
       <data key="d9"/>
       <data key="d10">
         <y:PolyLineEdge>
diff --git a/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.png b/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.png
index 07824e47471d9d6c35f4a5ed5a69a70bcf2f0b06..a2b2a4eeae380e162dc26a80cc72552dcf667917 100755
Binary files a/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.png and b/kernel_ridge_linear_model/images_resuming_lesson_learned/never_deduce_best_configuration_from_marginal_effects_interactions.png differ